partners in health has expanded and now works in nine countries, including peru, russia, mexico, and three countries in africa. with 6,000 employees worldwide, their budget of $50 million is barely enough to keep it going. >> no cesareans today? >> yeah, we had two in the morning. >> dr. farmer spends most of his time commuting between the hospitals in rwanda and haiti. one of his priorities: train a new generation of doctors to follow in his footsteps, physicians like david walton. >> i look at you, 31 years old, medical degree from harvard, could make a gazillion dollars back in the states, and you're in haiti. what do you get out of it? >> there's nothing that i'd rather be doing with my life, absolutely nothing. [speaking foreign language] >> and it's a hard life. seven-day work weeks, including house calls, and a house call in haiti can mean a hike up the side of a mountain. >> you walk for 30 minutes, walk for an hour, walk for four hours. the patients do it everyday. why shouldn't i do it? >> on this day, dr. walton was visiting 10-year-old cledene, suffering from a damaged he